41680575

Appears in sequences

• Smaller of two smallest consecutive numbers with 2n divisors.at n=20A075036
• Numbers n such that n and n+1 both have 42 divisors.at n=0A274812
• a(n) is the least number k such that A048105(k) = A048105(k+1) = 2*n, and 0 if it does not exist.at n=17A344315